Kleenex tissues were originally used as filters in gas masks.
46
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Originally, Nintendo was a playing card manufacturer.
70
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7